project GERB Telescope

AMOS realized the design, assembly, integration and verification of the GERB (Geostationary Earth Radiation Budget) experiment Telescope that is flying on board MSG (Meteosat Second Generation) satellite since August 2002.

Specifications :

• 1 kg 640 of Aluminium
• 180 X 135 X 150 mm
• Entrance aperture stop : size 20.6 mm x 20.6 mm (f-number : f/2)
• Mirror M1 (off-axis concave ellipsoidal) : 57 mm x 30 mm
• Mirror M2 (convex spherical) : 30 mm x 11 mm
• Mirror M3 (concave spherical) : 106 mm x 74 mm`
• Field-of-view : 18° x 0.28°